Hog Island is a small island roughly 2 acres in size located approximately 5 miles south of the entrance to Tomales Bay in western Marin County, California.
Hog Island was a set of two islands in the New York area, one shown on the map is the present day Barnum Island, part of Island, Park, NY. The other reportedly existed to the south of Long Beach and Rockaway Beach NY.
Hog Island, an uninhabited 2,075-acre (8 kmÂ²) island in Lake Michigan, is the fourth largest island in the Beaver Island archipelago. It is owned by the U.S. state of Michigan as part of the Beaver Islands State Wildlife Research Area and is administered by the Michigan Department of Natural Resources.